National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 15, 2025 at 7:14:33 pm EDT

 

Isolated showers and thunderstorms expected through Monday but mainly across the mountains. Hot and humid conditions are expected with heat indices climbing to 95 to 102 degrees during the afternoon hours.
A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.
A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.
A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.
Each observation point is apart of our COOP program (Cooperative Observer Program). Each site has a 24 hour observation period that ends and begins at 8 am local time. Each site records temperature, precipitation, and snowfall data. More information about the COOP program can be found here www.nws.noaa.gov/om/coop/ Data began being collected at: Cades Cover on 01/01/1999 || Mount LeConte on 07/01/1987 || Newfound Gap on 01/01/1991 || Sugarlands Visitor Center on 12/01/1921

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA18:35Clear10846451NNE 5-30.17
Andrews-Murphy NC18:42Partly Cloudy10756879NNW 3-30.18
Chattanooga TN18:53Mostly Cloudy10767081W 3-30.12
Crossville TN18:53Clear10866957CALM-30.16
Dalton GA18:55Clear10827271NW 6-30.09
Knoxville TN (McGhee-Tyson)18:53Cumulonimbus Clouds Observed10867058NNW 391 [HI]30.09
Middlesboro KY18:35Clear10907053CALM96 [HI]30.12
Monroe Cnty TN14:25Mostly Clear10897359VRB 597 [HI]30.12
Morristown TN10:30VRB 5-30.10
Oak Ridge TN18:53Clear10867467CALM94 [HI]30.11
Tazewell Cnty VA18:55Clear10806356NNE 5-30.22
Tri-Cities TN18:53Mostly Cloudy10846960N 6-30.13
Wise VA18:55Clear10786461N 3-30.23
Greeneville, TN18:35Mostly Clear10876648VRB 6-30.12


Local Weather History For August 15th...
Lightning destroyed a barn near Camp Creek in Greene County in 2002. $25,000 damage.

 

 

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